Developer & Data
JSON formatters, Base64 encoder, Web Crypto hashes, UUID generators, and JWT decoders. All utilities execute 100% locally inside your browser via WebAssembly and Canvas.
JSON Formatter, Beautifier & Validator
Format, beautify, validate, and minify JSON payloads with syntax error diagnostic markers.
Base64 Encoder & Decoder
Encode and decode plain text and data to Base64 with URL-safe RFC 4648 formatting.
Hash Generator (SHA-256, SHA-512, SHA-1)
Generate cryptographic hashes from input strings using the hardware-accelerated Web Crypto API.
Bulk UUID v4 Generator
Generate cryptographically random UUID v4 identifiers in bulk with uppercase, hyphen, and brace toggles.
JWT Token Decoder & Expiration Inspector
Decode JSON Web Token headers, payload claims, timestamps, and verify expiration dates privately.
cURL to Code Converter (Fetch, Axios, Python, Go, Rust)
Convert cURL command syntax into native JavaScript fetch, Axios, Python requests, Go http, and Rust reqwest.
Regex Tester & Match Visualizer
Test regular expressions in real-time with capture group extraction, flags support, and error diagnostics.
Unix Timestamp & Epoch Converter
Convert epoch seconds and milliseconds to human-readable dates (UTC, Local, ISO-8601) and vice-versa.
URL & URI Component Encoder / Decoder
Encode and decode URI strings, escape query parameters, and parse URL search query parameters.